[Bug tree-optimization/125250] [15/16/17 Regression] wrong code at -O1/2/3

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125250

--- Comment #6 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Note I am not sure this will show up in real code. The only case I can think of
is speculative devirtualization and undefined code that is not invoked gets
selected.